SOLUTION: A company produces labeled packaging material and the company intends to buy a new machine for shaping and labeling. The company has been approached by two different companies and

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Question 1145940: A company produces labeled packaging material and the company intends to buy a new machine for shaping and labeling. The company has been approached by two different companies and the production manager did a test on these machines on processing times and obtained the following results.
Machine A (in minutes)
Machine B (in minutes)
11
10
13
11
12
13
09
08
14
14
Can it be concluded that there is no difference in the mean processing time between the two different machines? Use α=0.10. Formulate the null and alternative hypotheses. Interpret the findings for the company. [25]


Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
It appears that the data for machine A and B have become mixed.